CN102656942B - The method passed through for the address translator in 3GPP networks - Google Patents
The method passed through for the address translator in 3GPP networks Download PDFInfo
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- CN102656942B CN102656942B CN201080050682.7A CN201080050682A CN102656942B CN 102656942 B CN102656942 B CN 102656942B CN 201080050682 A CN201080050682 A CN 201080050682A CN 102656942 B CN102656942 B CN 102656942B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/256—NAT traversal
- H04L61/2567—NAT traversal for reachability, e.g. inquiring the address of a correspondent behind a NAT server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/22—Manipulation of transport tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- Computer Networks & Wireless Communication (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
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Abstract
Respond activation packet data protocol (PDP) context request message from main frame, it includes global reachability request option of the request to the host assignment Global IP addresses and World Wide Port, and gateway transmits to the Internet gateway device and creates PDP Context request message.Creating PDP Context request message includes global reachability request option.Respond the establishment PDP Context response message from internet gateway, wherein, creating PDP Context response message includes wherein assignment of allocation to the Global IP addresses of main frame and the global reachability response option of World Wide Port, gateway transmits activation PDP Context received message to main frame, wherein activation PDP Context received message includes global reachability response option.Therefore, main frame obtains identical information without establishing to the separated connection session of the Internet gateway device.
Description
Technical field
Embodiments of the invention relate generally to the field of network calculations；And relate more specifically to network address translater to wear
More.
Background technology
The Virtual network operator local Internet Protocol that continually application address conversion uses them in its network
(IP) address separates with that can reach the Global IP addresses of these networks from the external network of such as internet.The various first purpose are to protect
It is unrelated with assigning the provider of its Global IP addresses to hold its local ip address structure, with for security reasons to remaining of internet
Hide its internal network topology or save global ip by sharing single Global IP addresses between multiple local address in part
Address.Specifically, latter purpose is increasingly important, wherein unappropriated global ip edition 4 (IPv4) address will be used
Virtual network operator is forced to use these addresses in an economical manner to the greatest extent.
In order to reach the purpose being identified above, address translator performs two functions.First, they are with corresponding to global ip
Location exchanges local ip address or vice versa, rewriteeing the address in packet on the way.This enabled provider is unrelated and network topology
Concealment.Secondly, multiple local address are multiplexed on single global address by address translator.This makes it possible to save globally
Location.To enable the packet demultiplexing received in shared global address is returned on correct local address, address conversion
Address of cache is stored as connecting specific ambiguity elimination state by device, and they use the connection initiator received in packet
Port numbers as into this state index.All connections handled across address translator in order to ensure this port numbers
Uniqueness, it may be necessary to change the port numbers.Then using the mapping between resulting local and World Wide Port number as corresponding
Ambiguity eliminate the part of state and store.
Address conversion requires the perception in the expected application contacted by long-range peer.This kind of application must cause theirs
The combination of global address of the peer with reference to where those peers reach them and World Wide Port number, because address be present
In the case of converter, its local address and World Wide Port number are probably that peer is not accessibility.Therefore, application must have
A kind of method, by it, they are it can be found that global address and World Wide Port number.This is commonly known as address translator and passed through.With
The source address being grouped afterwards to foundation structure inquiry conversion and global end are applied in the conventional system requirement that address translator passes through
Slogan looks like anything.
Conventional address translator traversing method causes extra signaling, and it can reduce effective network bandwidth；Battery is reduced to supply
The uptime of the main frame of electricity；And start delay is applied in increase.This signaling consumption can be big, because：(a) it
Must be carried out for each application, and (b) it not only occur on communication session beginning during, and for the mesh of refreshing
Periodically generation.Existing address translator traversing method generally exchanges multiple message to can to determine by it that they are
The type of the address translator of arrival.Even if multiple applications are resided in same host, each application generally still performs address and turned
Parallel operation passes through.
The content of the invention
It is described herein for being held using existing 3GPP agreements for the main frame of third generation partner program (3GPP) network
Row network address translater is passed through to obtain the technology of fhe global the Internet agreement (IP) address and World Wide Port.According to the present invention's
On one side, activation packet data protocol (PDP) context request message from main frame is responded, it includes request to the main frame
The global reachability request option of Global IP addresses and World Wide Port is distributed, gateway is transmitted to the Internet gateway device and created
PDP Context request message.Creating PDP Context request message includes global reachability request option.Response comes from internet
The establishment PDP Context response message of gateway, wherein create PDP Context response message gives the main frame including wherein assignment of allocation
Global IP addresses and World Wide Port global reachability response option, gateway to the main frame transmit activation PDP Context
Received message, wherein activation PDP Context received message includes global reachability response option.Therefore, main frame is without establishing extremely
The separated connection session of the Internet gateway device obtains identical information.
According to another aspect of the present invention, service gateway device receives the modification packet data protocol from main frame
(PDP) context request message, wherein modification PDP Context request message includes request adds World Wide Port to the host assignment
Global reachability expand request option.Response modification PDP Context request message, gateway pass to the Internet gateway device
Renewal PDP Context request message is sent, is disappeared wherein renewal PDP Context request message includes coming the request of self-modifying PDP Context
The global reachability of breath expands request option.Then, gateway receives the renewal PDP Context response from internet gateway
Message, wherein renewal PDP Context response message include wherein assignment of allocation to main frame additional World Wide Port it is global reachable
Property expand response option.Response renewal PDP Context response message, modification PDP Context received message is filled from gateway
Put and be sent to main frame, wherein modification PDP Context received message includes carrying out the global reachable of self refresh PDP Context response message
Property expand response option.Therefore, main frame will be with to obtain to the separated connection session of the Internet gateway device without establishing
The additional World Wide Port of main frame association.
According to another aspect of the present invention, service gateway device receives the modification PDP Context request from main frame and disappeared
Breath, wherein modification PDP Context request message includes the global reachability that request deallocates the World Wide Port associated with main frame
Deallocate request option.Response modification PDP Context request message, transmitted from service gateway device to the Internet gateway device
PDP Context request message is updated, wherein renewal PDP Context request message includes carrying out self-modifying PDP Context request message
Global reachability deallocate request option.Then, gateway receives the renewal PDP Context from internet gateway and rung
Message is answered, wherein renewal PDP Context response message includes the global reachability solution for deallocating state of instruction World Wide Port
Except assignment response option.Response renewal PDP Context response message, modification PDP Context received message is filled from gateway
Put and be sent to main frame, wherein modification PDP Context received message includes carrying out the global reachable of self refresh PDP Context response message
Property deallocates response option.Therefore, main frame need not be established to the separated connection session of the Internet gateway device to release
Distribute the World Wide Port associated with main frame.
With reference to the accompanying drawings and according to detailed description below, what further feature of the invention will be apparent.
Brief description of the drawings
Embodiments of the invention are shown as example rather than limitation in the figure of accompanying drawing, wherein, similar reference refers to
Show similar unit.
Fig. 1 is the transaction graph for the typical PDP context activation process for showing 3GPP networks.
Fig. 2 is to show the pdp context activation phase according to an embodiment of the invention being used in 3GPP networks
Between find Global IP addresses and World Wide Port method transaction graph.
Fig. 3 is to show according to an embodiment of the invention to be used to via pdp context activation ask the whole world
The flow chart of the method for reachability information.
Fig. 4 is the transaction graph for the typical PDP context modification process for showing 3GPP networks.
Fig. 5 is the transaction graph for showing the PDP context modification process according to the expansion of one embodiment.
Fig. 6 is to show the flow for being used to perform the method for the PDP context modification process expanded according to one embodiment
Figure.
Fig. 7 is the block diagram for showing NE according to an embodiment of the invention.
Embodiment
In the following description, many specific details are elaborated.However, it is understood that without these specific details, still may be used
To implement embodiments of the invention.In other situations, well-known circuit, structure and technology are not illustrated in detail in, in order to avoid
Influence understanding of this description.
Reference instruction in specification to " one embodiment ", " embodiment ", " example embodiment " etc., described implementation
Example can include special feature, structure or characteristic, but may not be each embodiment necessarily including the special feature,
Structure or characteristic.In addition, this kind of phrase not necessarily refers to identical embodiment.Special spy is described in conjunction with the embodiments in addition, working as
Sign, structure or during feature, it is believed that with reference to regardless of whether the other embodiments being clearly described realize this feature, structure or
Characteristic is in the knowledge of those skilled in the range.
It is described below with claims, term " coupling " and " connection " and their derivation may be used.Should
It should be appreciated that these terms are not intended as mutual synonym." coupling " may directly with one another physically or electrically for instruction
Contact or two or more units that may do not contacted physically or electrically directly each other cooperate or interact with." connection " is used to indicate
The foundation of communication between two or more units coupled to each other.
According to some embodiments of the present invention, there is provided a kind of mechanism mitigates above-described some problems.With for ground
The existing method that location converter passes through is the same, and embodiments of the invention enable an application to find that Global IP addresses are (also referred to as complete
Ball address) and World Wide Port number (also referred to as World Wide Port), they can be reached from long-range peer by it.As carried above
Arriving, the signaling consumption that conventional address translator passes through can be larger, because：(a) it must enter for each application
OK, and (b) it not only occur on communication session beginning during, and periodically occur for refresh purposes.This hair
Bright embodiment reduces signaling consumption above, because it sends on existing protocol (i.e. agreement is established and changed to PDP Context)
Band.Specifically, embodiments of the invention utilize enables the host to be used for third generation partner program (3GPP) network
Packet data protocol (PDP) context activation Procedure and/or PDP context modification process required by IP-based communication are sent
Band technology.Therefore, embodiments of the invention reduce the extra signaling that specific address converter passes through.
According to one embodiment, feature is passed through with address translator to expand pdp context activation and is main frame
Set up IP connectivity.Similar with the existing method passed through for address translator, embodiments of the invention cause using can be
Global reachability is established in the case of address translator being present.According to one embodiment, address translator is passed through as main frame
A part for network attachment process come perform rather than application start during perform.Then main frame can make result for one or more
Individual application (for example, the application run in main frame) interested is available.According to one embodiment, main frame is it can be found that global with it
The World Wide Port scope of address combination, rather than only single World Wide Port number.This is necessary, because what address translator passed through
As a result used for multiple applications rather than single application.
The one or more new information options of embodiments of the invention expand PDP context activation and modification process.Newly disappear
Breath option enables the host to indicate that the 3GPP network advertisements main frame is pushed to this without using address conversion or by the information asked
Main frame.New information option can be implemented as new information element (for example, one or more selected options) or be embodied as existing choosing
The new parameter of item (such as the protocol configuration option defined in 3GPP specifications).
Pdp context activation is main frame and will be two-way between the internet gateway of 3GPP network connections to internet
Handshake procedure.Shaken hands via the current service gateway of main frame to carry out, it serves as the relaying between main frame and internet gateway.Cause
Special net gateway is also referred to as gateway general packet wireless electricity service (GPRS) supporting node (GGSN), and gateway also referred to as takes
Business GPRS Support Node (SGSN).
Fig. 1 is the transaction graph for the typical PDP context activation process for showing 3GPP networks.With reference to figure 1, when being attached to 3GPP
When the main frame 101 of network it is expected to set up IP connectivity, main frame 101 is via affairs 104 to the gateway associated with main frame 101
102 send activation PDP Context request message.Activation PDP Context request message can include that there is main frame 101 to ask ginseng
Several options.After authentication, gateway 102 is created based on the parameter for carrying out self-activation PDP Context request message to generate
PDP Context request message.Then via affairs 105 will create PDP Context request message from gateway 102 be sent to
The internet gateway 103 that gateway 102 associates.
In operation 106, internet gateway 103 is ratified, changes or refused the parameter that main frame 101 is asked and correspondingly distributes
Resource.Then internet gateway 103 sends to gateway 102 via affairs 107 and creates PDP Context response message.Can be with
The parameter permitted to main frame 101 is alternatively included in PDP Context response message is created.Gateway 102 is via thing
Business 108 is relayed to main frame 101 in the form of activating PDP Context received message.
Other details about the affairs shown in Fig. 1 can be found in the 3 gpp specifications, such as in June, 2009
Entitled " 3rdGeneration Partnership Project；Technical Specification Group Core
Network and Terminals；General Packet Radio Service(GPRS)；GPRS Tunneling
Protocol (GTP) Across the Gn and Gp Interface (Release 8) " 3GPP technical specifications 29.060,
And entitled " the 3 of in June, 2009rdGeneration Partnership Project；Technical
Specification Group Core Network and Terminals；Mobile Radio Interface layer 3
Specification；Core Network Protocols；Stage 3 (Release 8) " 3GPP technical specifications 24.008.
Overall include the disclosure of 3GPP specifications being identified above herein by it is quoted.
According to some embodiments of the present invention, defined in the message exchanged during above-mentioned pdp context activation simultaneously
Utilize new option.In one embodiment, introduce global reachability information request option with indicate main frame to Global IP addresses and
The interest of World Wide Port (for example, global transmission control protocol or TCP port) number scope.Introduce the choosing of global reachability information response
So that this information is returned into main frame.According to one embodiment, PDP can be asked and created in above-mentioned activation PDP Context
Global reachability information request option is used in context request message.Similarly, can be responded in above-mentioned establishment PDP Context
Global reachability information response option is used with activation PDP Context received message.
Fig. 2 is to show the pdp context activation phase according to an embodiment of the invention being used in 3GPP networks
Between find Global IP addresses and World Wide Port method transaction graph.With reference to figure 2, when the phase of main frame 101 for being attached to 3GPP networks
When IP connectivity is set up in prestige, main frame 101 is sent on activation PDP via affairs 201 to the gateway 102 associated with main frame 101
Hereafter request message.The option with 101 required parameters of main frame can be included by activating PDP Context request message.At one
In embodiment, activation PDP Context request message include global reachability information request option, its indicate main frame 101 obtain and
The global address and the interest of World Wide Port or World Wide Port scope that main frame 101 associates.
After authentication, gateway 102 is created based on the parameter for carrying out self-activation PDP Context request message to generate
PDP Context request message.In one embodiment, creating PDP Context request message is included from activation PDP Context request
The global reachability information request option of message extraction.Then PDP Context request message will be created from service via affairs 202
Gateway 102 is sent to the internet gateway 103 associated with gateway 102.
In operation 203, the parameter that main frame 101 is asked is ratified, changes or refused to internet gateway 103, and correspondingly divides
With resource.In addition, internet gateway 103 also distributes Global IP addresses and World Wide Port list (such as World Wide Port for main frame 101
Number scope).Then internet gateway 103 sends to gateway 102 via affairs 204 and creates PDP Context response message.
The parameter permitted to main frame 101 can alternatively be included in PDP Context response message is created.In addition, according to one
Embodiment, creating PDP Context response message includes global reachability information response option, and it includes distributing to main frame 101
Global address and World Wide Port.If address conversion is not used in corresponding 3GPP networks, can in the whole world according to one embodiment
The global address returned up in property information response option is equal to the local address of main frame 101, and World Wide Port scope includes
The complete set of World Wide Port number.
Gateway 102 is relayed to main frame 101 via affairs 205 in the form of activating PDP Context received message.Main frame
101 also to by the trustship of main frame 101 (host) one or more applications provide interface (for example, API or API) with
It was found that the global address and World Wide Port scope that are obtained from internet gateway 103, and by it, they can retain on demand
With deallocate World Wide Port.
Fig. 3 is to show according to an embodiment of the invention to be used to via pdp context activation ask the whole world
The flow chart of the method for reachability information.Attention method 300 can be performed by processing logic, its can include software, firmware,
Hardware or combinations thereof.For example, method 300 can be performed by gateway (such as Fig. 2 gateway 102).Reference chart
3, in frame 301, the activation PDP Context that gateway receives 3GPP networks from main frame is asked to establish to the connection of internet.
Activation PDP Context request includes global reachability information request option, and it asks the Global IP addresses and one associated with main frame
Individual or more World Wide Port (for example, scope of World Wide Port number).
Response activation PDP Context request, in frame 302, gateway generation includes carrying out the request of self-activation PDP Context
The establishment PDP Context request of global reachability information request, and PDP Context request will be created and be sent to and the gateway
The internet gateway of association.In frame 303, gateway receives the establishment PDP Context response from internet gateway, and it includes
Global reachability information response option with the global address and one or more ports distributed by internet gateway.In frame
304, gateway generation activation PDP Context receives, and it is included from the global reachability information for creating PDP Context response
Response option, and activation PDP Context is received to be sent to main frame.Therefore, main frame need not initiate separated connection session so as to
Obtain identical information.Specifically, main frame is changed without carrying out with the extra address of gateway and/or internet gateway
Device passes through signaling transaction.
Determined to be assigned to the quantity of the World Wide Port of main frame by internet gateway.Because internet gateway is at best able to use
Heuristics estimates the quantity of World Wide Port that main frame may require, so main frame there may come a time when desired World Wide Port ratio just
During beginning pdp context activation internet gateway be assigned to it World Wide Port it is more.Similarly, main frame may be assigned
World Wide Port is more than the World Wide Port that it is actually needed.According to some embodiments, the PDP Context that 3GPP specifications above are defined
Modification process, which is expanded into, to be made it possible to assign additional World Wide Port to main frame and deallocates the untapped whole world from main frame
Both ports.
Consulted in 3GPP networks using PDP context modification process during changing primary PDP context activation
Some parameters.As PDP context activation, PDP context modification is the two-way handshake between main frame and internet gateway,
Make it possible to equally use option pair to the negotiation between main frame and internet gateway.It is attached according to one embodiment, introducing two
Add option to be used together with PDP context modification process.First, define global reachability expansion request option and the whole world is reachable
Property expand response option pair, with enable the host to the additional World Wide Port of request respectively and (if possible) cause because
Special net gateway can return to additional World Wide Port.Secondly, definition global reachability deallocates request option and the whole world is reachable
Property deallocate response option pair, with enable the host to return respectively untapped World Wide Port and cause internet gateway
Untapped port can be deallocated to host acknowledgement.
Fig. 4 is the transaction graph for showing typical PDP context modification process.Spy is changed using PDP context modification process
Some parameters of different PDP Context.With reference to figure 4, in affairs 401, main frame 101 sends modification PDP Context to gateway 102
Request message.Gateway 102 sequentially generates renewal PDP Context request message and sends it to Yin Te via affairs 402
Net gateway 103.As response, in affairs 403, internet gateway 103 changes current PDP based on the request of renewal PDP Context
Some parameters of context.Internet gateway 130 returns to renewal PDP Context response to gateway 102 via affairs 404 and disappeared
Breath, and gateway 102 returns to main frame in affairs 405 by PDP Context received message is changed.Previously mentioned 3GPP rule
Above-mentioned message defined in model.
Fig. 5 is the transaction graph for showing the PDP context modification process according to the expansion of one embodiment.Except for changing
Outside the standard PDP context modification process of some parameters of special PDP Context, divide to distribute additional World Wide Port or release
Purpose with World Wide Port, standard PDP context modification process is also expanded into carrying additional information.With reference to figure 5, in affairs
501, main frame 101 sends modification PDP Context request message to gateway 102.On the modification PDP defined except 3GPP specifications
Outside the standard information hereafter asked, the request of modification PDP Context also includes global reachability expansion request option or the whole world is reachable
Property deallocates request option.Global reachability expands request option or global reachability deallocates and asks option can be by reality
It is now the specific or selected option of modification PDP Context request.Alternately, global reachability expands request option or the whole world can
The part for asking option to may be implemented as the protocol configuration option that previously mentioned 3GPP specifications define is deallocated up to property.
Gateway 102 sequentially generates renewal PDP Context request message, and sends it to Yin Te via affairs 502
Net gateway 103.The global reachability that renewal PDP Context request message includes coming self-modifying PDP Context request message expands
Request option or global reachability deallocate request option.As response, in affairs 503, internet gateway 103 is based on renewal
PDP Context is asked to change some parameters of current PDP context.In addition, internet gateway 103 is also based on renewal PDP
The global reachability hereafter asked expands request option or global reachability deallocates request option to perform World Wide Port
Distribute or deallocate.Internet gateway 130 returns to renewal PDP Context response to gateway 102 via affairs 504 and disappeared
Breath, it includes the additional World Wide Port distributed or confirms to deallocate the state of World Wide Port.Gateway 102 is in affairs
Modification PDP Context received message is returned to main frame 101 by 505, and it includes dividing for self refresh PDP Context response message
The additional World Wide Port or confirmation matched somebody with somebody deallocate the state of World Wide Port.
Fig. 6 is to show the flow for being used to perform the method for the PDP context modification process expanded according to one embodiment
Figure.Attention method 600 can be performed by processing logic, and it can include software, firmware, hardware or combinations thereof.For example,
Method 600 can be performed by gateway (such as Fig. 2 gateway 102).With reference to figure 6, in frame 601, gateway is from master
The modification PDP Context that machine receives 3GPP networks is asked to change one or more parameters of PDP Context.Change above and below PDP
Text request expands request option or for releasing point including the global reachability for being used to ask to add World Wide Port to host assignment
Global reachability with the special World Wide Port for previously having distributed to main frame deallocates request option.
As response, in frame 602, gateway generation renewal PDP Context request, it includes coming above and below self-modifying PDP
The global reachability of text request expands request option or global reachability deallocates request option, and the gateway will more
New PDP Context request is sent to internet gateway.In frame 603, gateway is received on the renewal PDP from internet gateway
Hereafter respond.Renewal PDP Context response includes global reachability expansion response option or global reachability deallocates response
Option.As response, in frame 604, gateway generation modification PDP Context receives, and it includes carrying out self refresh PDP Context sound
The global reachability answered expands response option or global reachability deallocates response option.Then gateway will change PDP
Context receives to send back main frame.Therefore, main frame need not initiate separated connection session to ask identical information.Definitely
For, main frame passes through signaling transaction without the extra address converter carried out with gateway and/or internet gateway.
Fig. 7 is the block diagram for showing NE according to an embodiment of the invention.NE 900 can be implemented
For any one in the network node shown in Fig. 2.For example, NE 900 may be implemented as Fig. 2 gateway
102 part.With reference to figure 7, NE 900 is including but not limited to communicatively coupled to one or more by grid 905
Line cards (line card) 902-903 (also referred to as interface card or user plane) control card 901 (also referred to as chain of command), grid
905 can be grid network (mesh network), interconnection, bus or its combination.Line cards are also referred to as data surface (sometimes referred to as
Forwarding surface or medium surface).In Line cards 902-903 it is each respectively with one or more interfaces (also referred to as port) (such as interface
906-907) associate.Each Line cards include routing function block or logic (for example, block 909-910), with according to by controlling
The configurations (such as routing table) of the configuration of card 901 carry out Route Selection via corresponding interface and/or forwarding is grouped, and it can be by
Keeper configures via interface 911 (for example, command line interface or CLI).
According to one embodiment, control card 901 includes but is not limited to PDP context activation unit 930, PDP Context is repaiied
Change unit 931 and database 908.PDP context activation unit 930 is configured to perform the pdp context activation expanded, its
Global reachability information request is handled including as described above.PDP context modification unit 931 is configured to perform what is expanded
PDP context modification process, it include as described above change global reachability information.
Fig. 7 is referred back to, in the case of NE 900 is router (or realizing routing function), chain of command
901 generally determine how to be routed data (for example, packet) (for example, the next-hop of data and the data go out
Local side mouth), and the responsible forwarding data of data surface (for example, Line cards 902-903).For example, chain of command 901 generally include with
The communication of other NEs with exchange route and based on one or more routing metrics come select that those route one or
More routing protocols are (for example, Border Gateway Protocol (BGP), Interior Gateway Protocol (IGP) are (for example, open shortest path is excellent
First (OSPF), RIP (RIP), intermediate system to intermediate system (ISIS) etc.), label distribution protocol (LDP),
RSVP (RSVP) etc.).
Route and the adjacent one or more routing structure (examples being stored on chain of command (for example, database 908)
Such as, routing information storehouse (RIB), tag information base (LIB), one or more abutment structures etc.) in.Chain of command 901 is based on
Routing structure is programmed with information (for example, adjacent and routing iinformation) to data surface (for example, Line cards 902-903).For example,
Chain of command 901 will abut against is programmed for one or more forwarding structures on data surface (for example, forwarding information storehouse with routing iinformation
(FIB), tag forwarding information base (LFIB) and one or more abutment structures).In forwarding service, data surface uses these turns
Hair and abutment structure.
Each routing protocol is based on some route metrics, and (for different routing protocols, measurement can be not
With) route entry downloaded into main Route Selection information bank (RIB).Each routing protocol can be in local RIB (examples
Such as, OSPF local RIB) in storage route entry, it includes not downloading to main RIB route entry.Manage main RIB RIB moulds
Route is selected in the route that block is downloaded from routing protocol (set based on measurement), and the route of those selections (is had
When be referred to as activity route entry) download to data surface.RIB modules can also cause route to divide again between routing protocol
Cloth.Forwarded for layer 2, NE 900 can store one or more bridging tables, and it is used for based on the information of layer 2 in data
To forward this data.
For illustration purposes only, a control card and two Line cards are only shown in Fig. 7.Generally, NE includes
The gathering of one or more Line cards, the set of one or more control cards and alternatively one or more service cards are (sometimes
Referred to as resource card) set.These card by one or more mechanism (for example, the first complete grid of coupling circuit card and
Couple the second complete grid of all cards) and be coupled.The set of Line cards forms data surface, and the set of control card carries
Packet is exchanged with external network units for chain of command and by Line cards.The set of service card can provide special processing
(for example, layer 4 services (for example, fire wall, IPsec, IDS, P2P), voip conversation boarder controller, mobile wireless gateway to layer 7
(GGSN, evolved packet system (EPS) gateway) etc.).As an example, it can terminate IPsec tunnels using service card and run
Adjoint certification and AES.As used herein, NE (for example, router, interchanger, bridge etc.) is communication
One networking gear of the miscellaneous equipment (for example, other NEs, terminal station etc.) on upper interference networks, it include hardware and
Software.Some NEs are to be multiple networking functions (for example, Route Selection, bridge joint, exchange, layer 2 converge, session border control
System, service quality and/or subscriber management) provide and support and/or carried for multiple application services (for example, data, voice and video)
For " the multiple serving net-work elements " of support.
Subscriber terminals station (for example, server, work station, laptop computer, palm machine, mobile phone, smart phone,
Mediaphone, voice (VOIP) phone based on Internet Protocol, portable media player, global positioning system (GPS) are single
Member, games system, set top box etc.) virtual private of the content/service and/or superposition provided on internet on the internet is provided
The content/service provided on network (VPN).Content and/or service are generally by belonging to service or one of content supplier or more
Multiple terminals station (for example, server terminal station) participates in the terminal station of peering service and provided, and can include public ten thousand dimensions
Web page (free content, StoreFront, search service etc.), privately owned World Wide Web page (such as, there is provided the user of E-mail service
World Wide Web page of name/cryptographic acess etc.), enterprise network based on VPN etc..Generally, subscriber terminals station is (for example, by (wired
Or wirelessly) be coupled to the customer premises equipment (customer premise equipment) of access network) it is coupled to edge net
Network unit, its (for example, by one or more core network elements) are coupled to other edge network units, other edge networks
Unit is coupled to other terminal stations (for example, server terminal station).
Pay attention to describing NE 900 for illustration purposes only.Application-specific can be depended on realize it is more or
Less component.For example, although single control card is shown, for example for purposes of redundancy, it is possible to achieve multiple control cards.
Similarly, multiple Line cards can also be realized on each entrance and exit interface.It is also noted that can use hardware, software or this two
Person's combines to realize some or all of components shown in Fig. 7.
Presented above in terms of the algorithm of the operation on the data bit in computer storage and symbol expression
Some parts in detailed description.These arthmetic statements and expression are that the technical staff of data processing field is real by their work
Matter is most effectively communicated to mode used in other technical staff in the field.Here and it is generally considered that algorithm is to cause
The sequence of operation being in harmony certainly of expected result.Operation is those operations of requirement physical manipulation physical quantity.Although not necessarily, lead to
Often, this tittle is using the electric signal that can be stored, transmitted, combined, compared and manipulated in addition or the form of magnetic signal.Mainly
For reasons of common, these signals are referred to as into bit, value, element, symbol, character, item, numeral or the like to be demonstrate,proved often
Bright is convenient.
It should be appreciated, however, that all these and similar terms with appropriate register, and they simply apply
In the facilitate label of this tittle.Unless otherwise expressly stated, as according to being discussed above obviously, understood, be said in entire chapter
In bright book, it is related to computing system or similar electronics using the discussion of the term of those terms illustrated in following article claims
The data for physics (electronics) amount that computing device manipulation is expressed as in the register and/or memory of computer system are simultaneously become
Change into and be similarly represented as in computer system memory or register or other this information storages, transmission or display device
The action of other data of physical quantity and/or process.
Embodiments of the invention further relate to apparatus for performing the operations herein.This equipment can be directed to it is required
Purpose and special configuration, or it can include optionally being activated or reconfigured by by the computer program stored in computer
All-purpose computer.This computer program can be stored in computer-readable medium.Machine readable media includes being used to deposit
Storage is with any mechanism of the information of machine (for example, computer) readable form.For example, machine readable (for example, computer-readable)
Medium includes machine (for example, computer) readable storage medium storing program for executing (for example, read-only storage (" ROM "), random access memory
(" RAM "), magnetic disc storage media, optical storage media, flash memory device etc.) etc..
Algorithm and display presented herein is not inherently related to any special computers or miscellaneous equipment.Can be by respectively
Kind general-purpose system is used together with according to the program instructed herein, or is configured to perform the more special of required method operation
Equipment may prove easily.According to being described above, the required structure for these various systems will appear from.Separately
Outside, embodiments of the invention are not described with reference to any special programming language.It will be appreciated that various volumes can be used
Cheng Yuyan realizes the teaching of the embodiment of invention described herein.
In specification above, embodiments of the invention are described by reference to its particular exemplary embodiment.To be bright
It is aobvious, it can be entered on the premise of the broad spirit and scope of the invention illustrated in without departing substantially from following claims
The various modifications of row.Therefore, specification and drawings be considered to be descriptive sense and non-limiting sense.
Claims (20)
1. one kind is used for using existing 3GPP agreements come for third generation partner program（3GPP）The main frame of network performs network
Address translator is passed through to obtain fhe global the Internet agreement（IP）The method that the machine of address and World Wide Port scope is realized, institute
The method of stating comprises the following steps：
In service gateway device, the activation packet data protocol PDP Context request message from main frame, the activation are received
PDP Context request message is compatible with 3GPP procotols, wherein the activation PDP Context request message includes request to institute
State the global reachability request option of host assignment Global IP addresses and World Wide Port scope；
The activation PDP Context request message is responded, transmits and creates from the service gateway device to the Internet gateway device
PDP Context request message, the establishment PDP Context request message are included from the activation PDP Context request message
Global reachability request option, wherein it is described establishment PDP Context request message it is compatible with 3GPP procotols；
In the service gateway device, the establishment PDP Context response message from the internet gateway, the establishment are received
PDP Context response message is compatible with 3GPP procotols, wherein, the establishment PDP Context response message includes its middle finger
Surely the Global IP addresses of the main frame and the global reachability response option of World Wide Port scope are distributed to；And
The establishment PDP Context response message is responded, activation PDP Context received message is passed from the service gateway device
The main frame is sent to, the activation PDP Context received message is included from the whole world of the establishment PDP Context response message
Accessibility response option, wherein the activation PDP Context received message is compatible with 3GPP procotols,
Thus, the main frame need not be established to the separated connection session of the Internet gateway device to obtain and the master
The Global IP addresses and World Wide Port scope of office's connection.
2. the method as described in claim 1, wherein the global reachability request option is the activation PDP Context request
The selected option listed in message and the establishment PDP Context request message.
3. method as claimed in claim 2, wherein the global reachability response option is the establishment PDP Context response
The selected option listed in message and the activation PDP Context received message.
4. the method as described in claim 1, wherein the global reachability request option is please in the activation PDP Context
Ask what is specified in message and the protocol configuration option created defined in PDP Context request message.
5. method as claimed in claim 4, wherein the global reachability response option is rung in the establishment PDP Context
Answer what is specified in message and the protocol configuration option activated defined in PDP Context received message.
6. the method as described in claim 1, further comprising the steps of：
In the service gateway device, the modification PDP Context request message from main frame is received, wherein on the modification PDP
Hereafter request message includes the global reachability expansion request option that request adds World Wide Port to the host assignment；
The modification PDP Context request message is responded, renewal PDP Context request message is passed from the service gateway device
The Internet gateway device is sent to, the renewal PDP Context request message is included from the modification PDP Context request
The global reachability of message expands request option；
In the service gateway device, the renewal PDP Context response message from the internet gateway is received, wherein, institute
Stating renewal PDP Context response message includes wherein global reachability expansion of the assignment of allocation to the additional World Wide Port of the main frame
Fill response option；And
The renewal PDP Context response message is responded, modification PDP Context received message is passed from the service gateway device
The main frame is sent to, the modification PDP Context received message is included from the whole world of the renewal PDP Context response message
Accessibility expands response option,
Thus, the main frame need not be established to the separated connection session of the Internet gateway device to obtain and the master
The additional World Wide Port of office's connection.
7. method as claimed in claim 6, wherein it is the modification PDP Context that the global reachability, which expands request option,
One of protocol configuration option and selected option defined in request message and the renewal PDP Context request message.
8. method as claimed in claim 7, wherein the global reachability response option is the renewal PDP Context response
One of protocol configuration option and selected option defined in message and the modification PDP Context received message.
9. the method as described in claim 1, further comprising the steps of：
In the service gateway device, the modification PDP Context request message from main frame is received, wherein on the modification PDP
The global reachability that hereafter request message includes asking to deallocate the World Wide Port associated with the main frame deallocates request
Option；
The modification PDP Context request message is responded, renewal PDP Context request message is passed from the service gateway device
The Internet gateway device is sent to, the renewal PDP Context request message is included from the modification PDP Context request
The global reachability of message deallocates request option；
In the service gateway device, the renewal PDP Context response message from the internet gateway is received, wherein described
Renewal PDP Context response message includes indicating that the global reachability for deallocating state of the World Wide Port deallocates sound
Answer option；And
The renewal PDP Context response message is responded, modification PDP Context received message is passed from the service gateway device
The main frame is sent to, the modification PDP Context received message is included from the whole world of the renewal PDP Context response message
Accessibility deallocates response option,
Thus, the main frame without establishing to the separated connection session of the Internet gateway device to deallocate and institute
State the World Wide Port of main frame association.
10. method as claimed in claim 9, wherein it is the modification PDP that the global reachability, which deallocates request option,
One of protocol configuration option and selected option defined in context request message and the renewal PDP Context request message.
11. method as claimed in claim 10, wherein it is the renewal PDP that the global reachability, which deallocates response option,
One of protocol configuration option and selected option defined in context response information and the modification PDP Context received message.
12. one kind be used for as service gateway device come operate and using existing 3GPP agreements come for third generation partner program
（3GPP）The main frame of network enables network address translater and passed through to obtain fhe global the Internet agreement（IP）Address and World Wide Port
The NE of number scope, the NE include：
Packet data protocol PDP context activation unit, the PDP context activation unit include：
First receiver, suitable for receiving the activation PDP Context request message from main frame, the activation PDP Context request
Message is compatible with 3GPP procotols, wherein the activation PDP Context request message is complete to the host assignment including asking
The global reachability request option of ball IP address and World Wide Port scope, and
First conveyer, responds the activation PDP Context request message, and first conveyer is suitable to fill to internet gateway
Put transmission and create PDP Context request message, the establishment PDP Context request message includes coming from activation above and below the PDP
The global reachability request option of literary request message, wherein the establishment PDP Context request message and 3GPP procotols are simultaneous
Hold,
Wherein described first receiver is suitable to receive the establishment PDP Context response message from the internet gateway, described
It is compatible with 3GPP procotols to create PDP Context response message, wherein, the establishment PDP Context response message includes it
In specify distribute to the main frame Global IP addresses and World Wide Port scope global reachability response option, and
The establishment PDP Context response message is wherein responded, first conveyer is suitable to receive to disappear by activation PDP Context
Breath is sent to the main frame, and the activation PDP Context received message is included from the establishment PDP Context response message
Global reachability response option, wherein the activation PDP Context received message is compatible with 3GPP procotols, and
Thus, the main frame need not be established to the separated connection session of the Internet gateway device to obtain and the master
The Global IP addresses and World Wide Port scope of office's connection.
13. NE as claimed in claim 12, in addition to PDP context modification unit, the PDP context modification list
Member includes：
Second receiver, suitable for receiving the modification PDP Context request message from main frame, wherein the modification PDP Context
Request message includes the global reachability expansion request option that request adds World Wide Port to the host assignment, and
Second conveyer, responds the modification PDP Context request message, and second conveyer is suitable to the internet net
Device transmission renewal PDP Context request message is closed, the renewal PDP Context request message includes coming from the modification PDP
The global reachability of context request message expands request option,
Wherein described second receiver is suitable to receive the renewal PDP Context response message from the internet gateway, wherein,
The renewal PDP Context response message includes the global reachability of wherein additional World Wide Port of the assignment of allocation to the main frame
Expand response option,
The renewal PDP Context response message is wherein responded, second conveyer is suitable to receive to disappear by modification PDP Context
Breath is sent to the main frame, and the modification PDP Context received message is included from the renewal PDP Context response message
Global reachability expands response option, and
Thus, the main frame need not be established to the separated connection session of the Internet gateway device to obtain and the master
The additional World Wide Port of office's connection.
14. NE as claimed in claim 13, wherein the PDP context modification unit also includes：
3rd receiver, for receiving the second modification PDP Context request message from main frame, wherein second modification
The global reachability that PDP Context request message includes asking to deallocate the World Wide Port associated with the main frame deallocates
Option is asked, and
3rd conveyer, response the second modification PDP Context request message, the 3rd conveyer are suitable to described because of spy
Net gateway apparatus transmission the second renewal PDP Context request message, the second renewal PDP Context request message include coming from
The global reachability of the second modification PDP Context request message deallocates request option,
Wherein described 3rd receiver is suitable to receive the second renewal PDP Context response message from the internet gateway,
Wherein described second renewal PDP Context response message deallocates the global reachable of state including the instruction World Wide Port
Property deallocates response option, and
The second renewal PDP Context response message is wherein responded, the 3rd conveyer is suitable to change above and below PDP by second
Literary received message is sent to the main frame, and the second modification PDP Context received message is included from the described second renewal PDP
The global reachability of context response information deallocates response option, and
Thus, the main frame without establishing to the separated connection session of the Internet gateway device to deallocate and institute
State the World Wide Port of main frame association.
15. one kind is used for using existing 3GPP agreements come for third generation partner program（3GPP）The main frame of network performs network
Address translator is passed through to obtain fhe global the Internet agreement（IP）The method that the machine of address and World Wide Port scope is realized, institute
The method of stating comprises the following steps：
In service gateway device, the modification packet data protocol PDP Context request message from main frame is received, wherein described repair
Changing PDP Context request message includes the global reachability expansion request choosing that request adds World Wide Port to the host assignment
；
The modification PDP Context request message is responded, renewal PDP Context request message is passed from the service gateway device
The Internet gateway device is sent to, the renewal PDP Context request message is included from the modification PDP Context request message
Global reachability expand request option；
In the service gateway device, the renewal PDP Context response message from the internet gateway is received, wherein, institute
Stating renewal PDP Context response message includes wherein global reachability expansion of the assignment of allocation to the additional World Wide Port of the main frame
Fill response option；And
The renewal PDP Context response message is responded, modification PDP Context received message is passed from the service gateway device
The main frame is sent to, the modification PDP Context received message is included from the whole world of the renewal PDP Context response message
Accessibility expands response option,
Thus, the main frame need not be established to the separated connection session of the Internet gateway device to obtain and the master
The additional World Wide Port of office's connection.
16. method as claimed in claim 15, wherein it is modification above and below the PDP that the global reachability, which expands request option,
One of protocol configuration option and selected option defined in literary request message and the renewal PDP Context request message.
17. method as claimed in claim 16, wherein it is renewal above and below the PDP that the global reachability, which expands response option,
One of protocol configuration option and selected option defined in literary response message and the modification PDP Context received message.
18. one kind is used for using existing 3GPP agreements come for third generation partner program（3GPP）The main frame of network performs network
Address translator is passed through to obtain fhe global the Internet agreement（IP）The method that the machine of address and World Wide Port scope is realized, institute
The method of stating comprises the following steps：
In service gateway device, the modification packet data protocol PDP Context request message from main frame is received, wherein described repair
Changing PDP Context request message includes the global reachability releasing point that request deallocates the World Wide Port associated with the main frame
With request option；
The modification PDP Context request message is responded, renewal PDP Context request message is passed from the service gateway device
The Internet gateway device is sent to, the renewal PDP Context request message is included from the modification PDP Context request message
Global reachability deallocate request option；
In the service gateway device, the renewal PDP Context response message from the internet gateway is received, wherein described
Renewal PDP Context response message includes indicating that the global reachability for deallocating state of the World Wide Port deallocates sound
Answer option；And
The renewal PDP Context response message is responded, modification PDP Context received message is passed from the service gateway device
The main frame is sent to, the modification PDP Context received message is included from the whole world of the renewal PDP Context response message
Accessibility deallocates response option,
Thus, the main frame without establishing to the separated connection session of the Internet gateway device to deallocate and institute
State the World Wide Port of main frame association.
19. method as claimed in claim 18, wherein it is the modification PDP that the global reachability, which deallocates request option,
One of protocol configuration option and selected option defined in context request message and the renewal PDP Context request message.
20. method as claimed in claim 19, wherein it is the renewal PDP that the global reachability, which deallocates response option,
One of protocol configuration option and selected option defined in context response information and the modification PDP Context received message.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/613,066 US8549117B2 (en) | 2009-11-05 | 2009-11-05 | Method for address translator traversal in 3GPP networks |
| US12/613066 | 2009-11-05 | ||
| PCT/IB2010/054854 WO2011055275A1 (en) | 2009-11-05 | 2010-10-27 | Method for address translator traversal in 3gpp networks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102656942A CN102656942A (en) | 2012-09-05 |
| CN102656942B true CN102656942B (en) | 2017-11-21 |
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| CN201080050682.7A Expired - Fee Related CN102656942B (en) | 2009-11-05 | 2010-10-27 | The method passed through for the address translator in 3GPP networks |
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| EP (1) | EP2497324B1 (en) |
| CN (1) | CN102656942B (en) |
| CA (1) | CA2780088A1 (en) |
| CL (1) | CL2010001194A1 (en) |
| NZ (1) | NZ599909A (en) |
| TW (1) | TWI504213B (en) |
| WO (1) | WO2011055275A1 (en) |
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| CN102546357B (en) * | 2010-12-09 | 2014-12-17 | 华为技术有限公司 | Message forwarding method and network device |
| US8982815B2 (en) * | 2012-04-24 | 2015-03-17 | Mediatek Inc. | Apparatuses and methods for IPV6 address acquisition |
| EP2908480B1 (en) * | 2012-11-09 | 2017-10-25 | Huawei Technologies Co., Ltd. | Method, forwarding-plane apparatus, and network device for processing packet |
| CN108092830B (en) | 2018-02-09 | 2020-01-24 | 乐鑫信息科技（上海）股份有限公司 | Method for applying TCP/IP protocol in Mesh network |
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| US7443859B2 (en) * | 2001-12-18 | 2008-10-28 | Nokia Corporation | Method and apparatus for address allocation in GPRS networks that facilitates end-to-end security |
| KR101009819B1 (en) * | 2002-06-06 | 2011-01-19 | 톰슨 라이센싱 | Wlan as a logical support node for hybrid coupling in an interworking between wlan and a mobile communications system |
| US7554991B2 (en) * | 2003-06-27 | 2009-06-30 | Nokia Corporation | Method, system and network element for data transmission using a transition mechanism |
| KR100601673B1 (en) * | 2004-05-10 | 2006-07-14 | 삼성전자주식회사 | Communication method and apparatus at mobile station having multiple interfaces |
| GB2417650A (en) * | 2004-07-30 | 2006-03-01 | Orange Personal Comm Serv Ltd | Tunnelling IPv6 packets over IPv4 packet radio network wherein an IPv6 address including a tunnel end identifier of the IPv4 bearer is formed |
| US8072948B2 (en) * | 2005-07-14 | 2011-12-06 | Interdigital Technology Corporation | Wireless communication system and method of implementing an evolved system attachment procedure |
| CN101427546B (en) * | 2006-04-26 | 2012-07-18 | 艾利森电话股份有限公司 | Network initiated mobility management for mobile terminals |
| US7873003B2 (en) * | 2006-11-08 | 2011-01-18 | Electronics And Telecommunications Research Institute | Method for allocating IP address to mobile station in mobile communication system |
| CN101188602B (en) * | 2006-11-17 | 2011-04-13 | 华为技术有限公司 | Method and system for avoiding bypass of carrying media |
| KR100924835B1 (en) | 2007-09-19 | 2009-11-03 | 한국전자통신연구원 | Method and system for allocating Ipv6 global address |
| CN101436991B (en) * | 2008-12-24 | 2011-04-13 | 华为技术有限公司 | Routing method, apparatus and communication system for outputting data through Gi port |
| US9083587B2 (en) * | 2009-08-21 | 2015-07-14 | Cisco Technology, Inc. | Port chunk allocation in network address translation |
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2009
- 2009-11-05 US US12/613,066 patent/US8549117B2/en not_active Expired - Fee Related
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2010
- 2010-10-27 CN CN201080050682.7A patent/CN102656942B/en not_active Expired - Fee Related
- 2010-10-27 NZ NZ599909A patent/NZ599909A/en not_active IP Right Cessation
- 2010-10-27 CA CA2780088A patent/CA2780088A1/en not_active Abandoned
- 2010-10-27 EP EP10779044.6A patent/EP2497324B1/en not_active Not-in-force
- 2010-10-27 WO PCT/IB2010/054854 patent/WO2011055275A1/en active Application Filing
- 2010-11-02 CL CL2010001194A patent/CL2010001194A1/en unknown
- 2010-11-04 TW TW099137974A patent/TWI504213B/en not_active IP Right Cessation
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| NZ599909A (en) | 2013-12-20 |
| TWI504213B (en) | 2015-10-11 |
| TW201125335A (en) | 2011-07-16 |
| CA2780088A1 (en) | 2011-05-12 |
| US8549117B2 (en) | 2013-10-01 |
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| EP2497324A1 (en) | 2012-09-12 |
| EP2497324B1 (en) | 2016-07-20 |
| CN102656942A (en) | 2012-09-05 |
| CL2010001194A1 (en) | 2011-07-15 |
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